import type { Registry } from './schema';
/** Every top-level heading the sidebar has, read from the story files: the first segment of each title. */
export declare function sidebarHeadings(root: string): Set<string>;
/** The top-level headings of Storybook's own index (`storybook index`): the first segment of every entry's title. */
export declare function indexHeadings(entries: Record<string, {
    title?: string;
}>): Set<string>;
/** The headings the preview orders — a `HEADINGS` list or `storySort: { order: [...] }` — or null when it keeps no order. */
export declare function orderedHeadings(previewText: string): string[] | null;
/**
 * The headings the Introduction names: a table row that opens with a bold name,
 * or a bullet that opens with bold names joined by " · ".
 */
export declare function introductionHeadings(introText: string): Set<string>;
/** The number the Introduction states, or null when it states none. */
export declare function introductionCount(introText: string): number | null;
/**
 * What is wrong with the repository's hand-written map of its Storybook; empty
 * when nothing is. `real` is the sidebar's top-level headings from Storybook's
 * index, when the caller has it; `registry` is needed only for an app's count.
 */
export declare function storyMapProblems(root: string, { registry, real }?: {
    registry?: Registry;
    real?: Set<string>;
}): string[];
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